With 102 laps in the books, Tony Stewart is currently in the lead of the Kobalt Tools 400 in Las Vegas.
Stewart is leading the field, with Carl Edwards behind him in second place and Greg Biffle in third, with Jeff Gordon and Juan Pablo Montoya rounding out the top five. Jimmie Johnson, the defending champion of this race, is a lap down.
There have been eight different leaders this afternoon, and the yellow caution flag has come out three times on the drivers' travels around the 1.5-mile tri-oval of the Las Vegas Motor Speedway.